GO. Structure Structure Type Length ID of Structure N or < EDS
(Nonadb
No F B C M >=0571 : '=5|J Chrys Amphibole Nonasb Ambig/ND
No Coord : —. <5m Elements)
it—
Struct = > 0.5p > 5:1 Aspect Ratio Grid acceptance:
v/ = Positive diffraction pattern properties conforming to undissolved filter, overlapped or folded Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F B C M >5p
'1= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
AMPHIBOLES Amphibole
F = Single Fiber Amosite
B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersectionsi Anthophyllite Non-Asbestos
Tremolite
M = Matnx Non-Identified
Actinolite
IMSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003471405
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000177159
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NYC-WTC_000177159Source: NYC Law Department, mirrored locally